摘要
南靖下岭大理岩矿区因地质复杂,坑内开采而独具特色,根据矿山工程地质特征,地形条件及矿山开采和矿石运输状况,主运输巷道工程布置在+360 m的标高,其工程总长达3 km多,主运输巷道掘进施工技术方法以风钻打炮眼,其掏槽方式采用楔形掏槽、斜眼掏槽(楔形)和直眼掏槽,光面爆破,主运输巷道工程支护技术方法有:喷射混凝土支护,三心拱体砌石支护等,经过精心施工,工程取得良好的效果.
The limestone mineral area of Xialing in Nanjing has the special features only because the geology is complicated, pit inside mine, according to the mineral mountain engineering geology characteristic, the geography condition and the mineral mountains mine and the mineral stone conveyance condition, the lord conveyance tunnel engineering arrange at the elevation of above the 360 ms, the long of the engineering is more than 3kms, the lord conveyance tunnel digs into the construction technique method, drilling to beat the quick - fried eye with the breeze, its slot method adoption form slot. The strabismus slot and keep the eye slot, the light faces to blow up, the lord conveyance tunnel engineering protect the technique method, it mainly has： Jet the concrete protect, three heart arch body stones protect the etc., passing by to start construction with meticulous care, the engineering obtains the good result.
出处
《建筑技术开发》
2005年第12期83-85,110,共4页
Building Technology Development
关键词
掘进与支护施工技术
掏槽方式
喷射混凝土
拱体砌石支护
Dig into and protect the construction technique
Slot method of
Jet the concrete
The arch body stone protect
